4=2y+13-1

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Solution for 4=2y+13-1 equation:


Simplifying
4 = 2y + 13 + -1

Reorder the terms:
4 = 13 + -1 + 2y

Combine like terms: 13 + -1 = 12
4 = 12 + 2y

Solving
4 = 12 + 2y

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-2y' to each side of the equation.
4 + -2y = 12 + 2y + -2y

Combine like terms: 2y + -2y = 0
4 + -2y = 12 + 0
4 + -2y = 12

Add '-4' to each side of the equation.
4 + -4 + -2y = 12 + -4

Combine like terms: 4 + -4 = 0
0 + -2y = 12 + -4
-2y = 12 + -4

Combine like terms: 12 + -4 = 8
-2y = 8

Divide each side by '-2'.
y = -4

Simplifying
y = -4

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